Form No. 3466-520 Rev A
T imeCutter
®
Max or MyRIDE 54in or 60in Zero T urn
Riding Mower
77503 , 77504 , 77506 , 77507 , 77601 , 77603
Cortacésped giro cero de asiento T imeCutter
®
Max o
MyRIDE de 137 cm (54") o 152 cm (60")
77503 , 77504 , 77506 , 77507 , 77601 , 77603
T ondeuse autoportée à rayon de braquage zéro
T imeCutter
®
Max ou MyRIDE de137 cm ou 152 cm (54
po ou 60 po)
77503 , 77504 , 77506 , 77507 , 77601 , 77603
www .T oro.com.
*3466-520*
Operators Manual
TimeCutter® Max or MyRIDE 54in or 60in
Zero Turn Riding Mower
Model—Serial Range
77503—400000000 and Up
77504—400000000 and Up
77506—400000000 and Up
77507—400000000 and Up
77601—400000000 and Up
77603—400000000 and Up
3466-517A Original Instructions (EN) *3466-517*A
Disclaimers and Regulatory Information
It is a violation of California Public Resource Code Section 4442 or 4443 to use or operate
the engine on any forest-covered, brush-covered, or grass-covered land unless the engine
is equipped with a spark arrester, as defined in Section 4442, maintained in effective
working order or the engine is constructed, equipped, and maintained for the prevention of
fire.
Gross or Net Torque: The gross or net torque of this engine was laboratory rated by the
engine manufacturer in accordance with the Society of Automotive Engineers (SAE) J1940
or J2723. As configured to meet safety, emission, and operating requirements, the actual
engine torque on this class of mower will be significantly lower. Please refer to the engine
manufacturer’s information included with the machine.
The enclosed engine owner's manual is supplied for information regarding the US
Environmental Protection Agency (EPA) and the California Emission Control Regulation of
emission systems, maintenance, and warranty. Replacements may be ordered through the
engine manufacturer.
WARNING
CALIFORNIA
Proposition 65
The engine exhaust from this product contains chemicals known to the State of California to
cause cancer, birth defects, or other reproductive harm.
Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals
known to the State of California to cause cancer and reproductive harm. Wash hands after
handling.
Use of this product may cause exposure to chemicals known to the State of California to cause
cancer, birth defects, or other reproductive harm.
Table of Contents
Chapter 1: Introduction........................................................................................................................ 1–1
Intended Use ..................................................................................................................................... 1–1
Getting Help....................................................................................................................................... 1–1
Manual Conventions........................................................................................................................ 1–2
Safety Alert Classifications......................................................................................................... 1–2
Chapter 2: Safety.................................................................................................................................. 2–1
General Safety .................................................................................................................................. 2–1
Slope Indicator .................................................................................................................................. 2–2
Safety and Instructional Decals .................................................................................................... 2–3
Chapter 3: Product Overview ............................................................................................................ 3–1
Control Panel..................................................................................................................................... 3–2
Motion-Control Levers..................................................................................................................... 3–3
Park Position ................................................................................................................................. 3–3
MyRide® Suspension Adjustment Lever.................................................................................... 3–4
© 2023—The Toro®Company
8111 Lyndale Ave So
Bloomington, MN 55044
Contact us at www.Toro.com
Printed in Mexico
All rights reserved
Height-of-Cut Pin.............................................................................................................................. 3–4
Deck-Lift Pedal.................................................................................................................................. 3–4
Specifications .................................................................................................................................... 3–4
Chapter 4: Operation ........................................................................................................................... 4–1
Before Operation .............................................................................................................................. 4–1
Before Operation Safety ............................................................................................................. 4–1
Fuel .................................................................................................................................................. 4–3
Performing Daily Maintenance .................................................................................................. 4–3
Break-In Time ................................................................................................................................ 4–4
Safety-Interlock System.............................................................................................................. 4–4
Positioning the Seat ..................................................................................................................... 4–5
Adjusting the Motion-Control Lever Height ............................................................................ 4–6
Adjusting the Motion-Control Lever Tilt ................................................................................... 4–7
During Operation .............................................................................................................................. 4–7
During Operation Safety ............................................................................................................. 4–7
Starting the Engine..................................................................................................................... 4–10
Shutting Off the Engine ............................................................................................................. 4–11
Driving the Machine ................................................................................................................... 4–12
Operating the Mower Blade-Control Switch (PTO) ............................................................ 4–13
Side Discharge............................................................................................................................ 4–14
Adjusting the Height of Cut....................................................................................................... 4–15
Adjusting the Anti-Scalp Rollers.............................................................................................. 4–15
Operating Tips............................................................................................................................. 4–15
After Operation................................................................................................................................ 4–17
After Operation Safety............................................................................................................... 4–17
Cleaning the Machine................................................................................................................ 4–17
Hauling the Machine .................................................................................................................. 4–17
Chapter 5: Maintenance ..................................................................................................................... 5–1
Maintenance Safety ......................................................................................................................... 5–1
Recommended Maintenance Schedule...................................................................................... 5–2
Pre-Maintenance Procedures ....................................................................................................... 5–3
Moving a Non-Functioning Machine ........................................................................................ 5–3
Raising the Machine .................................................................................................................... 5–4
Lubrication.......................................................................................................................................... 5–5
Greasing the Bearings ................................................................................................................ 5–5
Engine Maintenance........................................................................................................................ 5–6
Engine Safety ................................................................................................................................ 5–6
Air Cleaner Service ...................................................................................................................... 5–6
Engine-Oil Service ....................................................................................................................... 5–7
Servicing the Spark Plug .......................................................................................................... 5–11
Cleaning the Cooling System .................................................................................................. 5–12
Fuel Maintenance........................................................................................................................... 5–13
Replacing the Fuel Filter........................................................................................................... 5–13
Electrical System Maintenance................................................................................................... 5–14
Electrical System Safety........................................................................................................... 5–14
Battery Service............................................................................................................................ 5–14
Jump-Starting the Machine ...................................................................................................... 5–18
Servicing the Fuses ................................................................................................................... 5–20
Drive System Maintenance .......................................................................................................... 5–20
Checking the Tire Pressure...................................................................................................... 5–20
Checking the Wheel Lug Nuts................................................................................................. 5–21
Adjusting the Tracking............................................................................................................... 5–21
Belt Maintenance............................................................................................................................ 5–22
3466-517 A :
Inspecting the Belts.................................................................................................................... 5–22
Replacing the Mower Belt......................................................................................................... 5–22
Mower-Deck Maintenance ........................................................................................................... 5–25
Blade Safety ................................................................................................................................ 5–25
Blade Service .............................................................................................................................. 5–25
Leveling the Mower Deck ......................................................................................................... 5–28
Removing the Mower Deck...................................................................................................... 5–30
Installing the Mower Deck ........................................................................................................ 5–31
Replacing the Grass Deflector ................................................................................................ 5–31
Cleaning............................................................................................................................................ 5–32
Washing the Underside of the Mower Deck......................................................................... 5–32
Disposing of Waste .................................................................................................................... 5–33
Chapter 6: Storage............................................................................................................................... 6–1
Storage Safety .................................................................................................................................. 6–1
Preparing the Machine for Storage Over 30 Days.................................................................... 6–1
Storing the Battery............................................................................................................................ 6–3
Battery Storage Tips .................................................................................................................... 6–3
Chapter 7: Troubleshooting ............................................................................................................... 7–1
Chapter 8: Schematics........................................................................................................................ 8–1
Electrical Diagram ............................................................................................................................ 8–1
California Proposition 65 Warning Information
: Page 4 3466-517 A
Chapter 1
Introduction
Intended Use
This rotary-blade, riding lawn mower is intended to be used by homeowners in residential
applications. It is designed primarily for cutting grass on well-maintained lawns. Using this
product for purposes other than its intended use could prove dangerous to you and
bystanders.
Read this information carefully to learn how to operate and maintain your product properly
and to avoid injury and product damage. You are responsible for operating the product
properly and safely.
Getting Help
G451770
Visit www.Toro.com for product safety and
operation training materials, accessory
information, help finding a dealer, or to register
your product.
Whenever you need service, genuine Toro parts,
or additional information, contact an Authorized
Service Dealer or Toro Customer Service and have
the model and serial numbers of your product
ready. These numbers are located on the serial
plate on your product . Write the numbers in the
space provided.
IMPORTANT
With your mobile device, you can scan the QR code on the serial number decal (if
equipped) to access warranty, parts, and other product information.
Model
Number:
Serial
Number:
3466-517 A Page 1–1 Introduction
Manual Conventions
This manual identifies potential hazards and has safety messages identified by the safety-
alert symbol, which signals a hazard that may cause serious injury or death if you do not
follow the recommended precautions.
G405934
This manual uses 2 words to highlight information. Important calls attention to special
mechanical information and Note emphasizes general information worthy of special
attention.
Safety Alert Classifications
The safety-alert symbol shown in this manual and on the machine identifies important safety
messages that you must follow to prevent accidents.
Safety-alert symbol appears above information that alerts you to unsafe actions or situations
and is followed by the word DANGER,WARNING, or CAUTION.
DANGER
Danger indicates an imminently hazardous situation which, if not avoided, will result
in death or serious injury.
WARNING
Warning indicates a potentially hazardous situation which, if not avoided, could result
in death or serious injury.
CAUTION
Caution indicates a potentially hazardous situation which, if not avoided, may result
in minor or moderate injury.
Introduction: Manual Conventions Page 1–2 3466-517 A
Chapter 2
Safety
General Safety
This product is capable of amputating hands and feet and of throwing objects. Always follow
all safety instructions to avoid serious personal injury or death.
Read, understand, and follow the instructions and warnings in this Operator’s Manual
and on the machine, engine, and attachments before starting the engine.
Do not allow children or untrained people to operate or service the machine. Allow only
people who are responsible, trained, familiar with the instructions, and physically capable
to operate or service the machine.
Keep bystanders, particularly children, away from the operating area.
Do not operate the machine near drop-offs, ditches, embankments, water, or other
hazards, or on slopes greater than 15°.
Do not put your hands or feet near moving parts.
Do not operate the machine without all safety shields, guards, switches, and other
devices in place and working properly.
Park the machine on a level surface, disengage the drives, engage the parking brake,
shut off the engine, remove the key, and wait for all moving parts to stop before leaving
the operator’s position.
Wait for the machine to cool before servicing, adjusting, fueling, cleaning, or storing it.
3466-517 A Page 2–1 Safety
Slope Indicator
You may copy this page for personal use.
G011841s
The maximum slope you can operate the machine on is 15 degrees. Use the slope chart to determine the degree
of slope of hills before operating. Do not operate this machine on a slope greater than 15 degrees. Fold along
the appropriate line to match the recommended slope.
Align this edge with a vertical surface, a tree, building, fence pole, etc.
Example of how to compare slope with folded edge
Safety: Slope Indicator Page 2–2 3466-517 A
Safety and Instructional Decals
Safety decals and instructions are easily visible to the operator and are located near any area
of potential danger. Replace any decal that is damaged or missing.
Decal Part: 99-3943
Models 77503, 77504, and 77601 only
s_decal99-3943
Belt routing
Engine
Decal Part: 112-9840
s_decal112-9840
Read the Operator's Manual.
Height of cut
Remove the ignition key and read
the instructions before servicing or
performing maintenance.
Decal Part: 130-0731
Models 77503, 77504, and 77601 only
s_decal130-0731
Warning—thrown object hazard;
keep the deflector in place.
Cutting hazard of hand or foot,
mower blade—keep away from moving
parts.
3466-517A Page 2–3 Safety: Safety and Instructional Decals
Decal Part: 132-0872
Models 77503, 77504, and 77601 only
s_decal132-0872
Thrown object hazard—keep
bystanders away.
Thrown object hazard, mower—do
not operate the machine with an open
deck; use a bagger or a deflector.
Cutting/dismemberment hazard of
hands or feet, mower blade—stay away
from moving parts.
Entanglement hazard of hands,
belt—stay away from moving parts;
keep all guards and shields in place.
Decal Part: 139-2394
s_decal139-2394
Traction controls
Fast
Slow
Neutral
Reverse
Parking brake
Decal Part: 139-2395
s_decal139-2395
Parking brake
Fast
Slow
Neutral
Reverse
Traction controls
Decal Part: 142-5864
decal142-5864
Safety: Safety and Instructional Decals Page 2–4 3466-517 A
Decal Part: 144-5288
s_decal144-5288
Warning—read the Operator’s
Manual.
Cutting/dismemberment hazard of
the fingers or hand—keep hands away
from moving parts; keep all guards and
shields in place.
Thrown object hazard—keep
bystanders away; pick up debris; keep
the deflector in place.
Runover hazard—do not carry
passengers; look behind you and down
when moving in reverse.
Tipping hazard—when loading onto
a trailer, do not use dual ramps; only
use a singular ramp wide enough for the
machine; do not use a ramp with a
slope greater than 15°; back up the
ramp (in reverse) and drive forward off
the ramp.
Tipping hazard—do not use the
machine near drop-offs with slopes
greater than 15°; only operate across
slopes less than 15°.
Note: This machine complies with the industry standard stability test in the static lateral and
longitudinal tests with the maximum recommended slope indicated on the decal. Review the
instructions for operating the machine on slopes in the Operator’s Manual as well as the
conditions in which you would operate the machine to determine whether you can operate
the machine in the conditions on that day and at that site. Changes in the terrain can result
in a change in slope operation for the machine.
Decal Part: 147-2399
s_decal147-2399
Read the Operator’s Manual.
Warning—Fill to bottom of filler
neck; warning–do not overfill the tank.
3466-517A Page 2–5 Safety: Safety and Instructional Decals
Decal Part: 147-2866
decal147-2866
Height of cut
Decal Part: 147-3023
Models 77506, 77507, and 77603 only
s_decal147-3023
Warning—thrown object hazard;
keep the deflector shield in place.
Cutting hazard of hand or foot,
mower blade—keep away from moving
parts.
Safety: Safety and Instructional Decals Page 2–6 3466-517 A
Decal Part: 147-3025
Models 77506, 77507, and 77603 only
s_decal147-3025
Belt routing
Engine
Decal Part: 147-5152
Models 77506, 77507, and 77603 only
s_decal147-5152
Thrown object hazard—keep
bystanders away.
Thrown object hazard, mower—do
not operate the machine with an open
deck; use a bagger or a deflector.
Cutting/dismemberment hazard of
hands or feet, mower blade—stay away
from moving parts.
Entanglement hazard of hands,
belt—stay away from moving parts;
keep all guards and shields in place.
3466-517A Page 2–7 Safety: Safety and Instructional Decals
Decal Part: 147-7571
Models with an hour meter only
s_decal147-7571
Fast
Slow
Decal Part: 147-7574
MyRIDE models only
s_decal147-7574
Decal Part: 147-8753
Models without an hour meter only
decal147-8753
Fast
Slow
Safety: Safety and Instructional Decals Page 2–8 3466-517 A
Decal Part: 161-6207
decal161-6207
Bypass lever position for pushing
the machine
Bypass lever position for operating
the machine
3466-517A Page 2–9 Safety: Safety and Instructional Decals
Chapter 3
Product Overview
G454341
Engine
MyRide® suspension
adjustment lever (machines
with MyRide suspension only)
Control panel
Deflector
Height-of-cut pin
Deck-lift pedal
Anti-scalp roller
Front caster wheel
Motion-control lever
Fuel-tank cap
Product Overview Page 3–1 3466-517 A
Control Panel
G453238
Throttle control
Choke control
Key switch
Blade-control switch (power
takeoff)
Hour meter (certain models only)
Key Switch
Use the key switch to start or shut off the machine.
G375755s
Shut off the engine
Run the engine
Start engine
Throttle Control
G450843
The throttle controls the engine speed, and it has a
continuous-variable setting from the SLOW to FAST
position.
3466-517A Page 3–2 Product Overview: Control Panel
Blade-Control (PTO) Switch
G428617
The blade-control switch, represented by a power-
takeoff (PTO) symbol, engages and disengages
power to the mower blades.
Choke Control
Use the choke control to aid in starting a cold engine.
G419508
Engaged Disengaged
Hour Meter
For Machines with an Hour Meter
The hour meter records the number of hours the engine is running. Use these times for
scheduling regular maintenance.
Motion-Control Levers
Use the motion-control levers to drive the machine forward, reverse, and turn either
direction.
Park Position
G438246
Move the motion-control levers outward from the
center to the PARK position to engage the parking
brake when stopping or exiting the machine.
Product Overview: Control Panel Page 3–3 3466-517 A
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